On Tue, Jul 16, 2019 at 11:40:35AM +0800, 王贇 <yun.wang@xxxxxxxxxxxxxxxxx> wrote: > By doing 'cat /sys/fs/cgroup/cpu/CGROUP_PATH/cpu.numa_stat', we see new > output line heading with 'exectime', like: > > exectime 311900 407166 What you present are times aggregated over CPUs in the NUMA nodes, this seems a bit lossy interface. Despite you the aggregated information is sufficient for your monitoring, I think it's worth providing the information with the original granularity. Note that cpuacct v1 controller used to report such percpu runtime stats. The v2 implementation would rather build upon the rstat API. Michal
